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Power micromesh is universally flattering [Paula XS]
A low rise thong with a plush waistband [Paula XS]
Made of a power micromesh we import from Belgium [Paula XS]
Honeycomb micromesh is strong but soft
Sieve Thong in Black 3 Pack
flat
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Buy more, save money
Power micromesh is universally flattering [Paula XS]
A low rise thong with a plush waistband [Paula XS]
Made of a power micromesh we import from Belgium [Paula XS]
Honeycomb micromesh is strong but soft
Sieve Thong in Black 3 Pack

Sieve Thong

4.8
Rated 4.8 out of 5 stars
907 Reviews

Low rise cut. Semi sheer mesh.


A low rise thong in our airy light, subtly sheer, naturally smoothing Belgian micromesh. Create a custom 2 Pack ->
BlackBuffBuff + WhiteGraphiteNavyPeachSlateWhiteBuff + BlackCherryCoralCoral + WhiteNEWGlacierPunchWhite Boa

Buy more, save $

Free U.S. shipping on orders over $100. Easy returns.

Fit

  • Size Chart
  • Use this as a guide. If you prefer a looser fit, we recommend sizing up

Fabric + Care

  • Size Chart
  • Belgian power micromesh is subtly sheer
  • 74% Polyamide (Nylon) 26% Elastane (Spandex)
  • 100% Cotton gusset lining
  • Wash on delicates/cold, dry flat

FAQ

  • All full-priced, unworn items, with tags attached and in their original packaging are eligible for return or exchange within 30 days of placing your order.
  • Please note, packs must be returned in full. We do not accept partial returns of packs.
  • Want to know our full returns policies? Here you go.
  • Want more info about shipping, materials or care instructions? Here!

    Q’s on fit or sizing? Email us at hello@negativeunderwear.com

Looks good with ->

Sieve Cutout Bra in Black Sieve Cutout Bra in Black (alternate view) Sieve Cutout Bra in Black $68 +
Sieve Non-Wire Bra in Black Sieve Non-Wire Bra in Black (alternate view) Sieve Non-Wire Bra in Black $65 +
Sieve Balconette Bra in Black Sieve Balconette Bra in Black (alternate view) Sieve Balconette Bra in Black $75
Whipped Triangle Bra in Black Whipped Triangle Bra in Black (alternate view) Whipped Triangle Bra in Black $65 +
4.8
Rated 4.8 out of 5 stars
Based on 907 reviews
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907 reviews
  • Bonnie F.
    Verified Buyer
    Size Purchased S
    How it Fits True to Size
    Age 45 - 54
    Jean Size 27
    10 hours ago
    Size Purchased S
    How it Fits True to Size
    Age 45 - 54
    Jean Size 27
    Sieve Thong in Buff + Black
    Reviewing
    Sieve Thong in Buff + Black
    Rated 5 out of 5 stars
    Sexy, great fit, well made Love them

    Sexy, great fit, well made Love them!

    Was this helpful?
  • Katrina B.
    Verified Buyer
    Size Purchased XL
    How it Fits True to Size
    Age 35 - 44
    Jean Size 16
    Yesterday
    Size Purchased XL
    How it Fits True to Size
    Age 35 - 44
    Jean Size 16
    Sieve Thong in Black
    Reviewing
    Sieve Thong in Black
    Rated 4 out of 5 stars
    It’s a thong -

    It fit nicely and stayed in place.

    Was this helpful?
  • Hillary H.
    Verified Buyer
    3 days ago
    Sieve Thong in Glacier
    Reviewing
    Sieve Thong in Glacier
    Rated 5 out of 5 stars
    Comfy

    Comfy, fits well and soft!

    Was this helpful?
  • Carol B.
    Verified Buyer
    Size Purchased M
    How it Fits True to Size
    Age 35 - 44
    Jean Size 6
    5 days ago
    Size Purchased M
    How it Fits True to Size
    Age 35 - 44
    Jean Size 6
    Sieve Thong in White Boa
    Reviewing
    Sieve Thong in White Boa
    Rated 5 out of 5 stars
    Love

    Flattering - does not squeeze you on the sides like many thongs!

    Was this helpful?
  • Maggie J.
    Verified Buyer
    Size Purchased M
    How it Fits True to Size
    Age 35 - 44
    Jean Size 26
    6 days ago
    Size Purchased M
    How it Fits True to Size
    Age 35 - 44
    Jean Size 26
    Sieve Thong in Navy
    Reviewing
    Sieve Thong in Navy
    Rated 5 out of 5 stars
    The perfect thong

    Perfect fit, soft, silky and ohhh so comfortable!

    Was this helpful?
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Detail view of Sieve Thong in Black for sizer

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